49ers' Dr. John York notes important factor in Bill Walsh Super Bowl wins – NBC Sports Bay Area & California
Remember Bill Walsh's sarcastic pep talk before 49ers-Dolphins Super Bowl XIX?
The Top of His Game - Sports Illustrated Vault
As 49ers savored Super Bowl win 30 years ago, Bill Walsh celebrated survival
Bears' Matt Nagy and the 11 other playoff coaches have ties to Bill Walsh or Bill Parcells
Undefeated in Super Bowls, Bill Walsh's coaching legacy reaches beyond 49ers
Joe Montana San Francisco 49ers quarterback with head coach Bill Walsh at the 1989 Super Bowl Stock Photo - Alamy
Looking back at the 49ers' rich Super Bowl history
VHS San Francisco 49ers Super Bowl Victory Highlights Bill Walsh Joe Montana for sale online
Undefeated in Super Bowls, Bill Walsh's coaching legacy reaches beyond 49ers
Dusty Baker on lessons from Bill Walsh, Hank Aaron, Jack Ramsay and more - The Athletic
The 49ers' Football Intellect - WSJ
Undefeated in Super Bowls, Bill Walsh's coaching legacy reaches beyond 49ers